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Cheap flights from London Heathrow Airport to Houston George Bush Intcntl Airport from £306

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — IAH
23 May — 30 May1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Houston George Bush Intcntl are usually found in February or January, booked 87 days in advance, depart on a Wednesday or Monday and return on a Monday

Cheap flight deals from Heathrow to George Bush Intcntl

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to George Bush Intcntl (IAH). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 18 May 2025.

Round-trip from

£513

One-way from

£306

Popular in

August

Cheapest in

February

Average price

£751

Good round-trip deal

£639 or less

Good one-way deal

£717 or less
3/6-7/6
  • 3/6-7/6
  • 4 total stops
  • 70h 15m total
  • London to Houston
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25/6
  • 25/6
  • 3 total stops
  • 34h 39m total
  • London to Houston
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Highest demand for flights based on searches. 15% potential increase in price (£99 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£20 potential savings vs. average return price).
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Average for round-trip flights in May 2025
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Price to beat on a round-trip flight from London Heathrow to Houston George Bush Intcntl.
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Price to beat on a one-way flight from London Heathrow to Houston George Bush Intcntl.
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Find flight deals from Heathrow to George Bush Intcntl

Cheapest flights from Heathrow to George Bush Intcntl
Explore the most affordable flight options available from Heathrow to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 May 2025.

Tue 3/617:10LHR - IAH
2 stops34h 39mMultiple Airlines
Sat 7/616:24IAH - LHR
2 stops35h 36mMultiple Airlines
Deal found 18/5£513
Mon 16/610:00LHR - IAH
Nonstop10h 15mLufthansa
Sat 28/620:25IAH - LHR
1 stop27h 55mLufthansa
Deal found 17/5£519
Tue 27/508:25LHR - IAH
1 stop32h 34mIcelandair
Wed 23/711:40IAH - LHR
2 stops27h 05mIcelandair
Deal found 17/5£528
Wed 12/1116:55LHR - IAH
1 stop29h 15mFinnair
Wed 19/1116:11IAH - LHR
1 stop13h 49mFinnair
Deal found 17/5£540
Thu 11/909:25LHR - IAH
Nonstop10h 15mBritish Airways
Sat 27/915:30IAH - LHR
Nonstop9h 10mBritish Airways
Deal found 18/5£565
Sat 7/614:45LHR - IAH
1 stop28h 30mAir France
Thu 20/1114:35IAH - LHR
1 stop15h 40mAir France
Deal found 17/5£573
Thu 11/906:50LHR - IAH
2 stops21h 19mAir Canada
Sun 28/910:00IAH - LHR
1 stop17h 35mAir Canada
Deal found 18/5£589
Thu 4/911:45LHR - IAH
2 stops18h 01mVirgin Atlantic
Thu 18/913:15IAH - LHR
1 stop18h 15mVirgin Atlantic
Deal found 17/5£596
Fri 12/910:00LHR - IAH
Nonstop10h 15mAustrian Airlines
Sun 28/920:15IAH - LHR
Nonstop9h 20mAustrian Airlines
Deal found 18/5£605
Sat 31/506:30LHR - IAH
1 stop12h 45mDelta
Fri 21/1112:55IAH - LHR
1 stop13h 25mDelta
Deal found 17/5£609
Thu 4/906:40LHR - IAH
2 stops23h 14mScandinavian Airlines
Thu 18/913:15IAH - LHR
2 stops22h 25mScandinavian Airlines
Deal found 17/5£613
Sun 25/508:25LHR - IAH
1 stop15h 38mJetBlue
Mon 16/611:40IAH - LHR
1 stop12h 50mJetBlue
Deal found 18/5£618

Cheapflights Fare Finder

Customise your flight search to find flights from Heathrow to George Bush Intcntl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 18 May 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Houston George Bush Intcntl Airport that are best for you.

Fly from

Heathrow

Fly to

George Bush Intcntl

Route

Depart

Return

Price

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 3/6

17:10-21:49

2 stops34h 39m

Houston George Bush Intcntl

Sat 7/6

16:24-10:00

2 stops35h 36m

£513

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Mon 16/6

10:00-14:15

Nonstop10h 15m

Houston George Bush Intcntl

Sat 28/6

20:25-06:20

1 stop27h 55m

£519

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 10/6

08:25-12:28

2 stops34h 03m

Houston George Bush Intcntl

Thu 26/6

16:49-06:30

1 stop31h 41m

£529

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 12/11

16:55-16:10

1 stop29h 15m

Houston George Bush Intcntl

Wed 19/11

16:11-12:00

1 stop13h 49m

£540

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 11/9

09:25-13:40

Nonstop10h 15m

Houston George Bush Intcntl

Sat 27/9

15:30-06:40

Nonstop9h 10m

£565

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Sat 7/6

14:45-13:15

1 stop28h 30m

Houston George Bush Intcntl

Thu 20/11

14:35-12:15

1 stop15h 40m

£573

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 11/9

06:50-22:09

2 stops21h 19m

Houston George Bush Intcntl

Sat 27/9

10:00-08:35

2 stops16h 35m

£589

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 4/9

11:45-23:46

2 stops18h 01m

Houston George Bush Intcntl

Thu 18/9

13:15-13:30

1 stop18h 15m

£596

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Fri 12/9

10:00-14:15

Nonstop10h 15m

Houston George Bush Intcntl

Sun 28/9

20:15-11:35

Nonstop9h 20m

£605

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Sat 31/5

06:30-13:15

1 stop12h 45m

Houston George Bush Intcntl

Fri 21/11

12:55-08:20

1 stop13h 25m

£609

Flights are sorted by cheapest return flights first.

Deals found on 17/5

Showing 1-10 of 31 results
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2
3
4

Best time to book a flight from Heathrow to George Bush Intcntl

Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl from Heathrow with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Houston George Bush Intcntl Airport

How far ahead should I book a flight from London Heathrow Airport to Houston George Bush Intcntl Airport?

Use this chart to determine the optimal time to book a return flight from Heathrow to George Bush Intcntl. Price data was last updated on 9 May 2025.

The price you pay for your flight from London Heathrow Airport to Houston George Bush Intcntl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 87 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from London Heathrow Airport to Houston George Bush Intcntl Airport?

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Houston George Bush Intcntl Airport (average of £680). Flying from London Heathrow Airport to Houston George Bush Intcntl Airport in July is currently the most expensive (average of £1,096). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LHR to IAH?

Find hourly flight availability from Heathrow to George Bush Intcntl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 May 2025.

It’s typically best to fly out from London Heathrow Airport to Houston George Bush Intcntl Airport in the evening. Doing so could potentially save you 17% on the flight price compared to flying at midday, which is usually more expensive.

What is the cheapest day to fly from London Heathrow Airport to Houston George Bush Intcntl Airport?

Use this chart to determine the cheapest time to fly return from Heathrow to George Bush Intcntl. Price data was last updated on 11 May 2025.

Travellers seeking maximum savings on their London Heathrow Airport to Houston George Bush Intcntl Airport flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from London Heathrow Airport to Houston George Bush Intcntl Airport

Explore weekly flight availability from Heathrow to George Bush Intcntl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 18 May 2025.

The most flights from LHR to IAH are scheduled on a Monday (22 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (22 on average).

Rainfall in George Bush Intcntl by month

Plan your trip to George Bush Intcntl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Houston George Bush Intcntl Airport ranges from 81.0 - 150.0 inches per month. June is typically the wettest month, when rainfall can reach 150.0 mm. February is typically the driest time to visit Houston George Bush Intcntl Airport when rainfall is around 81.0 mm.

Temperature in George Bush Intcntl by month

Plan your trip to George Bush Intcntl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Houston George Bush Intcntl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 12.0 C).

Reviews of airlines servicing George Bush Intcntl

Get insights into the airlines that provide service to George Bush Intcntl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to George Bush Intcntl. Reviews last updated 18 May 2025.
Read reviews from past customers who have flown Delta, KLM and Austrian Airlines from London to Houston. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,949 reviews
Check prices

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very Good
7,949 reviews
Delta
8.0
Very Good
7,949 reviews
Check prices

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,344 reviews
Delta
8.0
Very Good
7,949 reviews
Check prices

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Austrian Airlines
7.6
Good
792 reviews
Delta
8.0
Very Good
7,949 reviews
Check prices

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,281 reviews
Delta
8.0
Very Good
7,949 reviews
Check prices

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,595 reviews
Delta
8.0
Very Good
7,949 reviews
Check prices

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Heathrow to George Bush Intcntl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from London Heathrow Airport to Houston George Bush Intcntl Airport round-trip?

    According to our current data, Lufthansa (£516), Icelandair (£529), and Finnair (£540) offers the cheapest pricing from London Heathrow Airport to Houston George Bush Intcntl Airport. Users have found that Lufthansa is 30% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from London Heathrow Airport to Houston George Bush Intcntl Airport one-way?

    The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as £432. However, be on the lookout for offers from Icelandair and Iberia, as they are both options that can get you from London Heathrow Airport to Houston George Bush Intcntl Airport for a low price.

  • What are the most reliable airlines from London Heathrow Airport to Houston George Bush Intcntl Airport?

    The top 3 most reliable airlines when flying from London Heathrow Airport to Houston George Bush Intcntl Airport are American Airlines (77%), Air Canada (77%) and Austrian Airlines (77%).

  • What are the cheapest flights from London Heathrow Airport to Houston George Bush Intcntl Airport?

    Looking for the cheapest flight from London Heathrow Airport to Houston George Bush Intcntl Airport? While on average our users pay £948, our data indicates the cheapest price to be £562. The most popular route (London Heathrow - Houston George Bush Intcntl), is priced around £388.

  • Where are the most common stopover locations when flying from London Heathrow Airport to Houston George Bush Intcntl Airport?

    Of the flights from London Heathrow Airport to Houston George Bush Intcntl Airport that have stopovers, most of them stop in Dallas.

  • Where are the least popular stopover locations for London Heathrow Airport to Houston George Bush Intcntl Airport flights?

    London Heathrow Airport to Houston George Bush Intcntl Airport flights have a stopover in Miami least often.

  • Can I find deals for flights from Heathrow to George Bush Intcntl that include hotel bookings?

    Yes. In addition to deals on Heathrow to George Bush Intcntl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to George Bush Intcntl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to George Bush Intcntl.

  • Can I find deals for business class flights from Heathrow to George Bush Intcntl?

    Yes. Cheapflights offers flight deals from Heathrow to George Bush Intcntl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Heathrow Airport to Houston George Bush Intcntl Airport?

    Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Houston George Bush Intcntl Airport (average of £680). Flying from London Heathrow Airport to Houston George Bush Intcntl Airport in July is currently the most expensive (average of £1,096). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Livingston
The Woodlands
Conroe

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Fly from Heathrow to George Bush Intcntl on these airlines

Choose from the following airlines for your flight from Heathrow to George Bush Intcntl. Flights are based on user searches made on Cheapflights and were last updated on 18 May 2025.
British Airways flights from London Heathrow to Houston George Bush Intcntl
Finnair flights from London Heathrow to Houston George Bush Intcntl
Lufthansa flights from London Heathrow to Houston George Bush Intcntl

Top 10 airlines flying from Heathrow to George Bush Intcntl

Discover the top 10 airlines that operate flights from Heathrow to George Bush Intcntl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 18 May 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest£386Average£473FlexibilityNo cancel feeOn-time60%
Search WestJet flights
JetBlueCheapest£472Average£598FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
IcelandairCheapest£477Average£603FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
FinnairCheapest£505Average£633FlexibilityNo cancel feeOn-time76%
Search Finnair flights
LufthansaCheapest£521Average£799FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£543Average£722FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£609Average£833FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
IberiaCheapest£609Average£809FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Turkish AirlinesCheapest£619Average£701FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Brussels AirlinesCheapest£621Average£823FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights

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How does Cheapflights help users find flights from Heathrow to George Bush Intcntl?

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Why should you use Cheapflights to find cheap flight tickets from Heathrow to George Bush Intcntl?

Cheapflights helps you find that perfect flight to George Bush Intcntl from Heathrow by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Heathrow to George Bush Intcntl with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to George Bush Intcntl flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Heathrow to George Bush Intcntl become cheaper?

Not ready to book yet? You can track prices for flights from Heathrow to George Bush Intcntl on Cheapflights with our Price Alert feature and get notified when better prices are available.

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